Solve the problem.You drive 115 miles along a scenic highway and then take a 36-mile bike ride. Your driving rate is 5 times your cycling rate. Suppose you have no more than a total of 4 hours for driving and cycling. Let x represent your cycling rate in miles per hour. Use a rational inequality to determine the possible values of x.

A. x ? 14.8 mph
B. x ? 30.6 mph
C. x ? 14.8 mph
D. x ? 56.1 mph


Answer: C

Mathematics

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Find the Jacobian for the given transformation.   

A. 4500 B. 100 C. 45 D. -100

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What will be an ideal response?

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Find the x-value of all points where the function has relative extrema. Find the value(s) of any relative extrema.f(x) = 

A. Relative minimum of 0 at 0
B. Relative maximum of 0 at 0; relative minimum of e at e1/9
C. Relative minimum of e at e1/9
D. Relative minimum of - e-1 at e-1/9

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Calculate using the rules for order of operations.

A.
B. - 
C. - 
D.

Mathematics